gcc/testsuite/gcc.target/i386/pr45739.c

   1 /* PR rtl-optimization/45739 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -msse2" } */
   4
   5 #include <emmintrin.h>
   6
   7 __m128i var;
   8
   9 void
  10 foo (void)
  11 {
  12   __m128i zero = _mm_setzero_si128 ();
  13   var = _mm_xor_si128 (zero, var);
  14 }
  15
  16 void
  17 bar (void)
  18 {
  19   __m128i zero = _mm_setzero_si128 ();
  20   var = _mm_or_si128 (var, zero);
  21 }
  22
  23 /* { dg-final { scan-assembler-not "pxor\[^\n\]*xmm" } } */
  24 /* { dg-final { scan-assembler-not "por\[^\n\]*xmm" } } */